JASC 3610

Service difficulty reports · 7,150

Reports filed under 3610 · Pneumatic Distribution System, newest first.

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duckdb -csv -c "SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
  FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
  WHERE jasc_code = '3610'
  ORDER BY difficulty_date DESC"

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SDR 95ZZZX6320Clamp · failedTHE CREW EXPERIENCED A NR 1 STUB DUCT OVERHEAT WITH SUBSEQUENT PACK TRIP. INSPECTION REVEALED THE CLAMP BETWEEN THE ISOLATION VALVE AND THE PRESSURE REDUCING VALVE HAD FAILED. THE STUD ON ONE SIDE OF THE CLAMP BROKE AND THE CLAMP CAME LOOSE. THIS CLAMP IS BOct 11, 1995 · N524AC · Bac 111419EPSDR 95ZZZX6459Line · defectiveDURING C/W SL 327, NOTED AFT FLARE ON BLEED LINE HAD ALMOST COMPLETELY WORN AWAY. PART WAS VERY CLOSE TO FAILURE WHICH WOULD HAVE RESULTED IN LARGE BLEED AIR LEAK IN AFT AVIONICS BAY. SUBMITTER RECOMMENDS SB 327 BE C/W ON ALL AFFECTED AIRCRAFT.Oct 10, 1995 · N690HF · Gulstm 690ASDR SWIA95630Bleed Air Line · looseLT DUCT LEAK LIGHT CAME ON AND WOULD NOT EXTINGUISH, SHUTDOWN LT ENGINE AND RETURNED TO LAX. FOUND BLEED AIR LOOSE ON 18 PSI REGULATOR. TIGHTENED LINE, PERFORMED ENGINE POWER, OPS CKS GOOD AND NO LEAKS NOTED.Oct 2, 1995 · N214SW · Emb EMB120ERSDR DL31L953866Flex Line · blownDURING CLIMBOUT, NR 2 ENG BLEED TEMP INCREASED TO 260 DEGREES CELSIUS. BLEED VALVE CLOSED AND FAULTED, DID NOT RESET AND RETURNED TO JFK. FOUND FLEX LINE TO FAN AIR VALVE BLOWN. REPLACED LINE, OPERATION NORMAL.Sep 30, 1995 · N837AB · Airbus A310324SDR P5CA9500789Duct · failedON PUSH-BACK, LT WING OVERHEAT LIGHT AND FORWARD CARGO OVERHEAT LIGHT CAME ON. REPLACED FAILED DUCT BETWEEN NR 1 AND NR 2 PYLON.Sep 28, 1995 · N855FT · Boeing 747124SDR 95ZZZM547Bleed Duct · leakingNR 3 ENGINE FIRE WARNING SOUNDED IN FLIGHT. DISCHARGED LEFT FIRE BOTTLE. INSPECTED NR 3 ENGINE FOR FIRE DAMAGE, NONE FOUND. REPLACED NR 3 ANTI-ICE VALVE, 13TH STAGE BLEED DUCT AND ASSOCIATED CLAMPS AND SEALS. REPLACED LEFT FIRE BOTTLE. (M)Sep 21, 1995 · N421EX · Boeing 72722CSDR TWAA9572Gaskets · failedSTL - DURING CLIMB SHUT DOWN NR 1 ENGINE, S/N 1537, DUE TO STRUT OVERHEAT. FOUND 13TH STAGE AIR LEAK AT WING ANTI-ICE VALVE. REPLACED GASKETS, MFG P/N 60023-1, AT 13TH STAGE VALVE. PERFORMED HIGH POWER RUNUP LEAK CHECK AND OPERATION WAS NORMAL. (M)Sep 20, 1995 · N54332 · Boeing 727231SDR 95ZZZX6044Regulator · gasket failedAT ALMOST EVERY PHASE INSPECTION, FIND THE 23 PSI PNEU REGULATOR LEAKING BLEED AIR DUE TO BLOWN GASKET. REGULATOR IS LOCATED NEXT TO THE AFT PRESSURE BULKHEAD AND PROVIDES PNEUMATIC PRESSURE FOR DE-ICE BOOTS, INSTRUMENTS, AND PRESSURIZATION CONTROL. ALSO, FOSep 19, 1995 · N5314J · Cessna 550SDR ABXA9500922Angle · crackedDURING 813AX C-CHECK INSPECTION, FOUND AFT BAND CLAMP ON NR 3 ENGINE TRANSITION DUCT CRACKED. REPAIRED ATTACH ANGLE CHANNEL ON NR 3 ENGINE TRANSITION DUCT IAW ABX REA D878-12566MR.Sep 11, 1995 · N813AX · Doug DC863SDR 95ZZZM704Clamp · deterioratedDURING CLIMB, NR 2 NACELLE PYLON OVERHEAT LIGHT CAME ON, BOTH A AND B HIGH PRESSURE VALVES UNLATCHED, WHEN THROTTLE WAS REDUCED THE LIGHT WENT 'OUT', WHEN THROTTLE WAS ADVANCED LIGHT CAME BACK 'ON'. LOWER HIGH PRESSURE VALVE CLAMP AND GASKET WERE REPLACED.Sep 9, 1995 · N191AT · Lkheed 10113851SDR DLL13953680Pneumatic Sys · odorDURING CLIMBOUT, HAD SMOKE ODOR IN CABIN WITH SEVERAL LAV SMOKE DETECTORS GOING OFF. ISOLATED ODOR TO NR 2 PNEUMATIC SYSTEM, DEACTIVATED NR 2 ISOLATION VALVE, PLACED ON MCO.Sep 8, 1995 · N787DL · Lkheed 10113851SDR COEA9570201Compressor · leakingDURING CRUISE OF REPOSITIONING FLIGHT TO MAF, RT GEARBOX LOW OIL PRESSURE LIGHT ILLUMINATED. CREW SHUT DOWN ENGINE PRECAUTIONARY AND LANDED IN TCC WITHOUT INCIDENT. EMERGENCY MAINTENANCE CHECKED GEARBOX OIL CONTENT AND SERVICED. ENGINE RAN, OPS AND LEAK CHESep 5, 1995 · N702FE · Fokker F27MK600SDR 95ZZZX6232Peri Seals · failedMLI - FLT 365 - RIGHT ZONE HIGH TEMP OCCURRED WHEN THE APU WAS SUPPLYING THE NR 2 PACK. REPLACED PERI SEALS. REFERENCE OPERATOR CONTROL NR 95ZZZX6231, AND 95ZZZX6233.Sep 4, 1995 · N615AW · Bag BAE146300ASDR 95ZZZX5242Duct · brokenA THIRTY DEGREE SPLIT IN ITT WAS REPORTED WITH LEFT ENGINE RUNNING HIGHER THAN RIGHT. A POWER ASSURANCE RUN VERIFIED A PROBLEM WITH THE LEFT BLEED AIR CONTROL SYSTEM. FUNCTIONAL CHECKS OF THE LEFT BLEED SYSTEM WERE UNRELIABLE AND DID NOT AGREE WITH TROUBLESHSep 1, 1995 · N166K · Beech 1900DSDR COM60546Valve · not closingLEFT ENGINE 14TH STAGE DUCT LEAK WARNING MESSAGE, INFLIGHT ENGINE SHUTDOWN AND DIVERTED TO TLH. PROBLEM COULD NOT BE DUPLICATED ON GROUND, THE BLEED AIR SHUT-OFF VALVE WAS NOT CLOSING FULLY AND WAS REPLACED, THE BLEED LEAK DETECTOR LOOP WAS ALSO REPLACED AS AAug 29, 1995 · N932CA · Cndair CL6002B19SDR IXKA9500027Duct · crackedATL-TPA - FLT 25 - AFTER TAKEOFF NR 3 ENGINE STRUT OVERHEAT LIGHT ON, LIGHT GOES OFF AT IDLE, COMES BACK AFTER POWER RESTORED, ATB TO ATL. FOUND DUCT FLANGE ON DUCT ASSY FROM NR 3 ENGINE BLEED S/O VALVE CRACKED. REMOVED AND REPLACED DUCT ASSY AS PER MM 36-00Aug 24, 1995 · N354PA · Boeing 727225SDR USAA950920Clamp · looseCLT - FLT NR 944 - DIVERTED TO CLT DUE TO 2 INCH SPREAD IN THE THROTTLE POSITION. FOUND 8TH AND 13TH STAGE DUCTS CLAMP LEAKING. RETORQUED THE SAME. RAN ENGINE. LEAK CHECKED CLAMPS. CHECKED GOOD. (M)Aug 23, 1995 · N818US · Doug DC982SDR AWXA9500572Fan Air Vlv · failedPHX-COS - FLT NR 412 - AIR TURNBACK, LT AND RT ENGINE BLEED TRIP LIGHT ILLUMINATED DURING BLEEDS OFF TAKEOFF. LEFT BLEED TRIP RESET AFTER RELIEVING PRESSURE/TEMPERATURE BY ACTIVATING THE ASSOCIATED ANTI-ICE VALVES. RT ENGINE BLEED WOULD NOT RESET. AIRCRAFT Aug 23, 1995 · N169AW · Boeing 73733ASDR 95ZZZM393Bleed Regulator · failedPHX-COS - FLT NR 412 - AIR TURNBACK, LT AND RT ENGINE BLEED TRIP LIGHT ILLUMINATED DURING BLEEDS OFF TAKEOFF. LEFT BLEED TRIP RESET AFTER RELIEVING PRESSURE/TEMPERATURE BY ACTIVATING THE ASSOCIATED ANTI-ICE VALVES. RT ENGINE BLEED WOULD NOT RESET. AIRCRAFT Aug 23, 1995 · N169AW · Boeing 73733ASDR 95ZZZM392High Stage Vlv · failedPHX-COS - FLT NR 412 - AIR TURNBACK, LT AND RT ENGINE BLEED TRIP LIGHT ILLUMINATED DURING BLEEDS OFF TAKEOFF. LEFT BLEED TRIP RESET AFTER RELIEVING PRESSURE/TEMPERATURE BY ACTIVATING THE ASSOCIATED ANTI-ICE VALVES. RT ENGINE BLEED WOULD NOT RESET. AIRCRAFT Aug 23, 1995 · N169AW · Boeing 73733ASDR 95FDEA01158Duct · leakingNR 2 ENG FIRE WARNING ON CLIMBOUT FROM EWR, ALL ENG EGT'S OK, NO OTHER ABNORMAL INDICATIONS ON NR 2 EXCEPT AUDIO/VISUAL FIRE WARNING, PERFORMED ENG FIRE SHUTDOWN CKLIST, DID NOT HAVE TO USE FIRE BOTTLE. REMOVED AND REPLACED NR 2 ENG FCDU, FOUND 11TH STAGE DUCAug 22, 1995 · N606FE · Doug MD11FSDR MWEA95266Clamp · loosePILOT REPORTS AFTER LEVELING OFF, THE TAIL COMPARTMENT TEMP HI LIGHT ILLUMINATED. PERFORMED QRH PROCEDURE. LIGHT WENT OUT WHEN RIGHT THROTTLE AND RIGHT PACK WERE SHUT OFF. LIGHT REMAINED OFF WITH THROTTLE BACK TO NORMAL AND RIGHT PACK SHUT OFF. RETURNED TOAug 16, 1995 · N601ME · Doug MD88SDR P5CA9500736Precooler · crackedPRECOOLER COVER ON NR 3 ENGINE HAS CRACK 1 INCH, ALONG ITS LOWER CORNER. REPAIRED PER BOEING SRM.Aug 9, 1995 · N852FT · Boeing 747122SDR 9512182290Duct · leakingON DESCENT TO MSP, THE NR 2 ENGINE FIRE WARNING SYSTEM ACTIVATED MOMENTARILY. A PRECAUTIONARY SHUTDOWN WAS ACCOMPLISHED ON NR 2 ENGINE. THE FLIGHT CONTINUED TO MSP AND LANDED WITHOUT FURTHER INCIDENT. A LEAK WAS FOUND IN THE NR 3 START BLEED AIR DUCT. MAINAug 8, 1995 · N290US · Boeing 727251SDR 95ZZZX6277Temp Switch · defectiveFLT 4240 - DURING TAKEOFF ROLL, CREW ADVISORY MESSAGE - BLEED AIR FAIL, CREW ELECTED TO ABORT TAKEOFF AND RETURN TO GATE. MAINTENANCE INSPECTED AIRCRAFT AND DISCOVERED A FAULTY BLEED AIR SHUT-OFF VALVE TEMP SWITCH. REMOVED AND REPLACED FAULTY SWITCH IAW MM 3Jul 31, 1995 · N427JS · Dorner DO328100SDR 95ZZZX5365Check Valve · stuck openCREW REPORTED LOW SUCTION LIGHT ON ANNUNCIATOR AND SUCTION GAUGE READ ZERO WITH RIGHT ENGINE RUNNING. AIRCRAFT WAS FERRIED TO HOT MAINTENANCE BASE. MECHANIC REMOVED AND REPLACED THE RT ENGINE CHECK VALVE. OPS CHECKED GOOD, ENGINE RUN PERFORMED, ALL CHECKS WJul 25, 1995 · N850LS · Frchld SA227DCSDR DLM88953181Duct · leakingON INITIAL TAKOFF GOT TAIL COMP TEMP HI LIGHT. PER POM RETURNED ATL. FOUND LEFT ACM AIR OUTLET RUBBER DUCT LEAKING. REPLACED DUCT OPERATION NORMAL.Jul 23, 1995 · N963DL · Doug MD88SDR 95ZZZX3818Bleed Air Tube · crackedBLEED AIR TUBE ASSY FOUND CRACKED. THERE IS NO INSPECTION REQUIREMENT TO REMOVE THE DORSAL FIN PANEL AT FS 6500 AND INSPECT THIS AREA.Jul 19, 1995 · N888PH · Mtsbsi MU2B60SDR ASOA95018Press Reg · defectiveMCN/ATL - FLT 7219 - DURING FLIGHT, LEFT ENGINE DUCT LEAK LIGHT ILLUMINATED. THE LEFT ENGINE WAS SHUT DOWN AND SECURED PER POH PROCEDURES, AND THE CREW MADE A SUCCESSFUL SINGLE ENGINE LANDING SAFELY IN ATL. REMOVED AND REPLACED THE LEFT DE-ICE PRESSURE REGULJul 14, 1995 · N275AS · Emb EMB120RTSDR 95ZZZX5597Tube · failedPILOT REPORTED LOSS OF ALL PRIMARY ELECTRICAL FLIGHT INSTRUMENTS AS WELL AS ALL AVIONICS. TROUBLESHOT AND FOUND TUBE FAIILED AT AFT FLARE. COMPLIED WITH ROCKWELL SL 327 TO CORRECT PROBLEM. NOTE: TUBING PRE SL 327 WAS ALUMINUM, POST SL 327 WAS STAINLESS STEJul 12, 1995 · N333CA · Gulstm 690ASDR COM31113Duct Assy · crackedLEFT BLEED LEAK WARNING ACTIVATED. REPLACED CRACKED BLEED AIR DUCT AT LEFT WING ROOT.Jul 5, 1995 · N358CA · Saab SF340ASDR 9510231224Connector · crossedDURING CRUISE, THE NR 1 PNEUMATIC SUPPLY VALVE STUCK OPEN. DUMPED 6000 LBS OF FUEL AND RETURNED TO SEA. AIRCRAFT WAS INSPECTED AND SYSTEM WAS MEL'ED. CANNON PLUGS R5-8012 AND R5-8026 WERE REPOSITIONED. OPERATIONAL CHECK OK.Jul 1, 1995 · N224NW · Doug DC1030SDR 9510389853Duct · looseTAIL COMPARTMENT TEMPERATURE HIGH LIGHT ILLUMINATED DURING INITIAL CLIMBOUT. FLIGHT RETURNED TO TPA AND LANDED WITHOUT INCIDENT. REINSTALLED FLEX DUCT AT RIGHT ACM OUTLET. ALSO, TIGHTENED CLAMPS AT LEFT AUGMENTATION VALVE. OPERATIONAL CHECK OK. AIRCRAFT RJun 30, 1995 · N762NC · Doug DC951SDR IXXA199563Duct Clamp · failedLPLA/KWRI - IN CRUISE BETWEEN LPLA AND KWRI, A NR 3 ENGINE FIRE WARNING WAS EXPERIENCED WITH NORMAL ENGINE PARAMETERS OBSERVED. THE ENGINE WAS PRECAUTIONARILY SHUT DOWN, AND THE FIRE BOTTLES DISCHARGED. THE FIRE WARNING EXTINGUISHED AND THE ENGINE MAINTAINEDJun 29, 1995 · N21CX · Doug DC862SDR DHL95702003Duct · leakingAT 1,000 FEET AGL, FIRE INDICATION NR 1 ENGINE. WHILE REDUCING THRUST, FIRE INDICATION EXTINGUISHED. COMPLETED ALL REQUIRED CHECKS AND LANDED NORMALLY. CHECKED NR 1 FIRE WARNING SYSTEM, FOUND LOWER 13TH STAGE DUCT LEAKING. REMOVED AND REPLACED DUCT PER M/MJun 29, 1995 · N702DH · Boeing 72730CSDR WTAA950222Regulator Valve · leaking gasketFAT - RIGHT ENGINE DUCT LEAK LIGHT ILLUMINATED AFTER TAKEOFF AT APPROXIMATELY 4,000 FEET. AIRCRAFT RETURNED TO STATION WITHOUT INCIDENT. MAINTENANCE INSPECTED BLEED AIR SYSTEM WITH NO EVIDENCE OF AIR LEAK NOTED. DEFERRED RIGHT ENGINE BLEED 'DUCT LEAK' LIGHTJun 27, 1995 · N250YV · Emb EMB120RTSDR 95ZZZX5240Duct · crackedAT CRUISE, PILOT NOTED ITT ON LEFT ENGINE FLUCTUATING AND THEN DROPPING TO ZERO. ALL OTHER ENGINE INSTRUMENTS READ NORMAL. AIRCRAFT LANDED WITHOUT INCIDENT. INITIAL INVESTIGATION SHOWED PROBLEM TO BE ISOLATED TO THE LEFT ENGINE ITT HARNESS. AIRCRAFT WAS FEJun 26, 1995 · N27SF · Cessna 500CESSNASDR 95ZZZX3429Duct · crackedON ROUTINE INSPECTION, FOUND APU DUCT CRACKED AT 'Y' JUNCTION. CRACK WAS APPROXIMATELY .50 INCH LONG AND HAD OPENED UP TO APPROXIMATELY .1532 INCH ALLOWING EXTREMELY HOT BLEED AIR FROM APU TO BLOW THROUGH INSULATION ON THE DUCT INTO THE TAIL COMPARTMENT OF THJun 23, 1995 · N105Y · Gulstm G1159ASDR BTVR950621Duct · chafedDURING A NON-ROUTINE, UNSCHEDULED REMOVAL OF THE LEFT ENGINE THRUST STRUT, THE L.P. AIR DUCT MENTIONED WAS REMOVED. AFTER REMOVAL, A HOLE WAS DISCOVERED IN THE DUCT CHAFED BY THE AFT THRUST STRUT ATTACH BOLT HEAD (PN GAB511EB14D40). THIS DEFECT WAS IN SUCH AJun 21, 1995 · N1901M · Gulstm GIVSDR 9509723237Valve · malfunctionedDURING TAKEOFF ROLL, RECEIVED AIR ENG 2 BLEED FAULT. TAKEOFF WAS ABORTED AT LESS THAN 80 KNOTS. ALSO, RECEIVED AIR LT WING LEAK AND RIGHT PACK OVERHEAT MESSAGES. MAINTENANCE REPLACED THE NR 1 ENGINE OVER PRESSURE VALVE. LEAK AND OPERATIONAL CHECK OK.Jun 21, 1995 · N337NW · Airbus A320211SDR USAA950618Duct · blockedBOS-BWI - FLT 1187 - AFTER TAKEOFF, THE TAIL COMPARTMENT HIGH TEMPERATURE LIGHT ILLUMINATED. FLIGHT DIVERTED TO BWI AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE RT DUCT ASSEMBLY BETWEEN THE FLOW CONTROL VALVE AND HEAT EXCHANGER, LEAK AND OPERATIONS Jun 18, 1995 · N804US · Doug DC981SDR SIMA951691Duct · looseORD - FLT NR 4152 - DURING TAXI NR 2 BLEED LEAK WARNING LIGHT ILLUMINATED. AIRCRAFT RETURNED TO THE GATE. MAINTENANCE RECONNECTED BLOWN DUCTING AT AIR CYCLE MACHINE INLET. (M)Jun 18, 1995 · N417AT · Aerosp ATR72212SDR COM60497Control Unit · defectiveRT DUCT MESSAGE CAME ON 3 TIMES. REPLACED THE BLEED AIR LEAK CONTROL UNIT.Jun 11, 1995 · N943CA · Cndair CL6002B19SDR 95ZZZX3088Coupling · defectiveTHE INBOARD PERI-SEAL COUPLING WAS FOUND WITH THE FORWARD END PULLED OUT OF THE RETAINER. REPLACED THE FORWARD DUCT ASSY, THE RETAINER AND BOTH PERI-SEALS ON INBOARD SIDE OF THE RT ENGINE. THIS WAS DISCOVERED DURING INSPECTION AND, IF LEFT, IT MAY HAVE COME Jun 9, 1995 · N274QS · Cessna S550SDR 95ZZZX5198Bleed Line · brokenIND - ON CLIMB, NR 2 ENGINE LOW POWER. WITH THROTTLES ALIGNED AND NR 1 AND NR 3 N1'S AT 92 PERCENT, NR 2 EPR DROPPED TO 1.5 EPR AND N1 AT 82 PERCENT. RETURNED TO IND. FOUND 13TH STAGE BLEED VALVE LINE BROKEN AT UPPER END. REMOVED AND REPLACED BLEED LINE. AJun 5, 1995 · N762AT · Boeing 7272B7SDR 95ZZZX3050Line · severedPILOT NOTICED A HIGH EGT AND OIL TEMP ON THE NR 1 ENGINE. WHILE ON 8-MILE FINAL, CREW REPORTED FUMES IN THE CABIN. AIRCRAFT LANDED WITHOUT FURTHER INCIDENT. UPON INSPECTION, THE BLEED AIR LINE WAS FOUND SEVERED. THE LINE WAS REPLACED AND THE AIRCRAFT RETURJun 5, 1995 · N222LL · Bell 222SDR SIMA951541Seal · leakingDFW - FLT 3863 - NR 2 ENGINE BLEED LEAK WHEN CROSS FEED ON. REPLACED SEALS AT CROSS FEED VALVE UNDER FLOOR. PERFOREMD LEAK CHECKS. AIRCRAFT RETURNED TO SERVICE. (M)Jun 3, 1995 · N408AT · Aerosp ATR72212SDR DL76S952463Pneumatic Sys · contaminatedON TAKEOFF AND CLIMB, HAD SMOKE ODOR AND FUMES IN MID GALLEY LAV AREA, RETURNED FLT TO ATL. FOUND COMPRESSOR WASH FLUID CONTAMINATION IN NR 2 ENGINE INLET. RAN ENGINE UNTIL ODOR WAS GONE, RETURNED TO SERVICE.Jun 3, 1995 · N120DL · Boeing 767332SDR SCNA95123Duct · crackedNR 1 ENGINE FIRE WARNING INDICATOR ILLUMINATED DURING FLIGHT. ENGINE WAS SHUTDOWN, ONE FIRE BOTTLE WAS DISCHARGED AND FIRE WARNING CEASED. TEN MINUTES LATER FIRE WARNING RE-ILLUMINATED AND SECOND BOTTLE WAS DISCHARGED, FIRE WARNING LIGHT CEASED. FIRE WARNINMay 29, 1995 · N289SC · Boeing 727259SDR DLM88952325Pneumatic System · odorDURING CRUISE, HAD SMOKE AND ODOR IN CABIN AFTER ANTI ICE WAS TURNED ON. DIVERTED TO TYS SMOKE DISSIPATED WHEN ANTI ICE WAS TURNED OFF. CHECKED APU AND ENGINE OIL QTY. FOUND NORMAL. PERFORMED DUCT BURN-OUT PROCEDURES, RETURNED TO SERVICE.May 28, 1995 · N911DL · Doug MD88
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